{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Version",
  "type": "object",
  "description": "A recorded version in the file's version history.",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique identifier for the version."
    },
    "created_at": {
      "type": "string",
      "description": "The UTC ISO 8601 time at which the version was created."
    },
    "label": {
      "type": "['string', 'null']",
      "description": "The label given to the version in the editor."
    },
    "description": {
      "type": "['string', 'null']",
      "description": "The description of the version as entered in the editor."
    }
  }
}